<template>
    <div>
        <div style="margin: 10px 0">
            <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search"
                      v-model="username"></el-input>
            <el-input style="width: 200px" placeholder="请输入邮箱" suffix-icon="el-icon-message" class="ml-5"
                      v-model="email"></el-input>
            <el-input style="width: 200px" placeholder="请输入地址" suffix-icon="el-icon-position" class="ml-5"
                      v-model="address"></el-input>
            <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
            <el-button type="warning" @click="reset">重置</el-button>
        </div>
        
        <div style="margin: 10px 0">
            <el-button type="primary" @click="handleAdd">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
            <el-popconfirm
                class="ml-5"
                confirm-button-text='确定'
                cancel-button-text='我再想想'
                icon="el-icon-info"
                icon-color="red"
                title="您确定批量删除这些数据吗？"
                @confirm="delBatch"
            >
                <el-button type="danger" slot="reference">批量删除 <i class="el-icon-remove-outline"></i></el-button>
            </el-popconfirm>
        </div>
        
        <el-table :data="tableData" border stripe :header-cell-class-name="'headerBg'"
                  @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55"></el-table-column>
            <el-table-column prop="id" label="ID" width="80"></el-table-column>
            <el-table-column prop="username" label="用户名" width="140"></el-table-column>
            <el-table-column prop="role" label="角色"></el-table-column>
            <el-table-column prop="nickname" label="昵称" width="120"></el-table-column>
            <el-table-column prop="email" label="邮箱"></el-table-column>
            <el-table-column prop="phone" label="电话"></el-table-column>
            <el-table-column prop="address" label="地址"></el-table-column>
            <el-table-column label="操作" width="200" align="center">
                <template slot-scope="scope">
                    <el-button type="success" @click="handleEdit(scope.row)">编辑 <i class="el-icon-edit"></i>
                    </el-button>
                    <el-popconfirm
                        class="ml-5"
                        confirm-button-text='确定'
                        cancel-button-text='我再想想'
                        icon="el-icon-info"
                        icon-color="red"
                        title="您确定删除吗？"
                        @confirm="del(scope.row.id)"
                    >
                        <el-button type="danger" slot="reference">删除 <i class="el-icon-remove-outline"></i>
                        </el-button>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>
        <div style="padding: 10px 0">
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="pageNum"
                :page-sizes="[2, 5, 10, 20]"
                :page-size="pageSize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>
        </div>
        
        <!--新增、编辑弹框-->
        <el-dialog title="用户信息" :visible.sync="dialogFormVisible" width="30%">
            <el-form label-width="80px" size="small" status-icon :model="form" :rules="rules" ref="form">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="form.username" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="form.password" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="角色" prop="role">
                    <el-select clearable v-model="form.role" placeholder="请选择角色" style="width: 100%">
                        <el-option v-for="item in roles" :key="item.name" :label="item.name"
                                   :value="item.flag"></el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="昵称" prop="nickname">
                    <el-input v-model="form.nickname" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="form.email" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="电话" prop="phone">
                    <el-input v-model="form.phone" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="地址" prop="address">
                    <el-input v-model="form.address" autocomplete="off"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="save('form')">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
export default {
    name: "User",
    data() {
        return {
            tableData: [],
            total: 0,
            pageNum: 1,
            pageSize: 10,
            username: "",
            password: "",
            email: "",
            address: "",
            form: {},
            dialogFormVisible: false,
            multipleSelection: [],
            roles: [],
            rules: {
                username: [
                    {required: true, message: '请输入用户名', trigger: 'blur'},
                    {min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur'}
                ],
                password: [
                    {required: true, message: '请输入密码', trigger: 'blur'},
                    {min: 3, max: 20, message: '长度在 3 到 20 个字符', trigger: 'blur'}
               ],
                role: [
                    {required: true, message: '请选择角色', trigger: 'change'}
                ],
                nickname: [
                    {required: true, message: '请输入昵称', trigger: 'blur'},
                    {min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur'}
                ],
                email: [
                    {required: true, message: '请输入邮箱', trigger: 'blur'},
                    {type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change']}
                ],
                phone: [
                    {required: true, message: '请输入电话', trigger: 'blur'},
                    {min: 6, max: 20, message: '长度在 6 到 20 个字符', trigger: 'blur'}
                ],
                address: [
                    {required: true, message: '请输入地址', trigger: 'blur'},
                    {min: 2, max: 20, message: '长度在 2 到 20 个字符', trigger: 'blur'}
                ]
            }
        }
    },
    created() {
        this.load()
    },
    methods: {
        load() {
            this.request.get("/user/page", {
                params: {
                    pageNum: this.pageNum,
                    pageSize: this.pageSize,
                    username: this.username,
                    email: this.email,
                    address: this.address,
                }
            }).then(res => {
                
                this.tableData = res.data.records
                this.total = res.data.total
                
            })
            
            this.request.get("/role").then(res => {
                this.roles = res.data
            })
        },
        save(formName) {
            this.$refs[formName].validate((valid) => {
                if (valid) {
                    this.request.post("/user", this.form).then(res => {
                        if (res.code === '200') {
                            this.$message.success("保存成功")
                            this.dialogFormVisible = false
                            this.load()
                        } else {
                            this.$message.error("保存失败")
                        }
                    })
                } else {
                    this.$message.error("请按要求输入")
                    return false;
                }
            });
        },
        handleAdd() {
            this.dialogFormVisible = true
            this.form = {}
        },
        handleEdit(row) {
            this.form = JSON.parse(JSON.stringify(row))
            this.dialogFormVisible = true
        },
        del(id) {
            this.request.delete("/user/" + id).then(res => {
                if (res.code === '200') {
                    this.$message.success("删除成功")
                    this.load()
                } else {
                    this.$message.error("删除失败")
                }
            })
        },
        handleSelectionChange(val) {
            console.log(val)
            this.multipleSelection = val
        },
        delBatch() {
            let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
            this.request.post("/user/del/batch", ids).then(res => {
                if (res.code === '200') {
                    this.$message.success("批量删除成功")
                    this.load()
                } else {
                    this.$message.error("批量删除失败")
                }
            })
        },
        reset() {
            this.username = ""
            this.email = ""
            this.address = ""
            this.load()
        },
        handleSizeChange(pageSize) {
            console.log(pageSize)
            this.pageSize = pageSize
            this.load()
        },
        handleCurrentChange(pageNum) {
            console.log(pageNum)
            this.pageNum = pageNum
            this.load()
        },
        exp() {
            window.open("http://localhost:9090/user/export")
        },
        handleExcelImportSuccess() {
            this.$message.success("导入成功")
            this.load()
        }
    }
}
</script>


<style>
.headerBg {
    background: #eee !important;
}
</style>
